Finding the Fourth Proportional to 91,207,275.37, 125,866,161.35 and 49,391,412.75
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Solution
The fourth proportional to 91,207,275.37, 125,866,161.35 and 49,391,412.75 is: 68,160,215.30
Step by Step Solution
- Step 1: Write the proportion equation
91,207,275.37 : 125,866,161.35 = 49,391,412.75 : x - Step 2: Convert to fraction form
91,207,275.37/125,866,161.35 = 49,391,412.75/x - Step 3: Cross multiply
91,207,275.37x = 125,866,161.35 × 49,391,412.75 - Step 4: Simplify right side
91,207,275.37x = 6,216,707,526,495,947 - Step 5: Solve for x
x = 6,216,707,526,495,947/91,207,275.37 - Step 6: Final answer
x = 68,160,215.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.